Advantech TPC-1260H Manual do Utilizador descarregar pdf (Página 75)

65 Chapter C

Out dx,al

Inc dx

In al,dx

Or al,08h

Out dx,al

;-----------------------------------------------------------

Dec dx ; Set timeout interval as 5 minutes and start counting

Mov al,0f6h

Out dx,al

Inc dx

Mov al,5

Out dx,al

;-----------------------------------------------------------

Dec dx ; lock W83627HF

Mov al,0aah

Out dx,al

3. Enable watchdog timer to be reset by mouse

;-----------------------------------------------------------

Mov dx,2eh ; unlock W83627H

Mov al,87h

Out dx,al

;-----------------------------------------------------------

Mov al,07h ; Select registers of watchdog timer

Out dx,al

Inc dx

Mov al,08h

Out dx,al

;-----------------------------------------------------------

Dec dx ; Enable the function of watchdog timer

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Advantech TPC-1260H Manual do Utilizador Página 75